20781690419

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{227}}^1\times {\mathrm{31667}}^1$

素因数の和:31967

約数の個数: 24

約数和(自身を含む): 24693439680

約数和(自身を除く): 3911749261

約数列:

[1, 7, 49, 59, 227, 413, 1589, 2891, 11123, 13393, 31667, 93751, 221669, 656257, 1551683, 1868353, 7188409, 13078471, 50318863, 91549297, 352232041, 424116131, 2968812917, 20781690419]

約数ペア:

[(1, 20781690419), (7, 2968812917), (49, 424116131), (59, 352232041), (227, 91549297), (413, 50318863), (1589, 13078471), (2891, 7188409), (11123, 1868353), (13393, 1551683), (31667, 656257), (93751, 221669)]